The porsche 911 gt3 has a 380 hp engine and a mass of, Ask an Expert

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The Porsche 911 GT3 has a 380 hp engine and a mass of 1.4x10^3 kg. The car can accelerate from 0 to 100 km/h in 4.3 seconds. What percentage of the power supplied by the engine goes into making the car move? Assume that the car's acceleration is constant and that there are 746 Watts/hp.

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